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3) Investments (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014 | Dec. 31, 2014
Details |  |  |  |  |
Average market value over amortized cost | 94.60% |  | 94.60% |  | 90.80%
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Period Increase (Decrease) | $ 30,000 | $ 30,000 | $ 60,000 | $ 60,000 |

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